细胞有不同的侧面，并且有一个侧面一定要朝向导管壁，而其他的侧面一定要朝向内部通道。
The cells have different sides, and one side must face the wall of the duct and the other must face the inner channel.
可见到导管上皮细胞增生或如这里所见有明显的导管水肿。
There can be ductal epithelial hyperplasia, or prominent periductular edema as seen here.
有几种类型的尿导管可用。
应用推荐